diff --git a/ChangeLog b/ChangeLog
index 18d9bfa961..0890173a62 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jul 18 08:47:09 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* time.c (time_succ): Time#succ should return a time object in the
+	  same timezone mode to the original.  [ruby-talk:260256]
+
 Mon Jul 16 23:07:51 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* lib/base64.rb (Base64::b64encode): should not specify /o option
diff --git a/time.c b/time.c
index 21d8bbd45d..798696cb22 100644
--- a/time.c
+++ b/time.c
@@ -1337,9 +1337,14 @@ static VALUE
 time_succ(VALUE time)
 {
     struct time_object *tobj;
+    int gmt;
 
     GetTimeval(time, tobj);
-    return rb_time_new(tobj->tv.tv_sec + 1, tobj->tv.tv_usec);
+    gmt = tobj->gmt;
+    time = rb_time_new(tobj->tv.tv_sec + 1, tobj->tv.tv_usec);
+    GetTimeval(time, tobj);
+    tobj->gmt = gmt;
+    return time;
 }
 
 /*
diff --git a/version.h b/version.h
index 6fc73c76c5..ec3495b06e 100644
--- a/version.h
+++ b/version.h
@@ -1,7 +1,7 @@
 #define RUBY_VERSION "1.9.0"
-#define RUBY_RELEASE_DATE "2007-07-17"
+#define RUBY_RELEASE_DATE "2007-07-18"
 #define RUBY_VERSION_CODE 190
-#define RUBY_RELEASE_CODE 20070717
+#define RUBY_RELEASE_CODE 20070718
 #define RUBY_PATCHLEVEL 0
 
 #define RUBY_VERSION_MAJOR 1
@@ -9,7 +9,7 @@
 #define RUBY_VERSION_TEENY 0
 #define RUBY_RELEASE_YEAR 2007
 #define RUBY_RELEASE_MONTH 7
-#define RUBY_RELEASE_DAY 17
+#define RUBY_RELEASE_DAY 18
 
 #ifdef RUBY_EXTERN
 RUBY_EXTERN const char ruby_version[];